Environmental Awareness Library Collection (15,478 Books)

An essential e-document collection of reports and research about our environment. This collection contains many of the primary EPA source reports that the scientific community uses to base its findings.

By: Environmental Protection Agency

Excerpt: Throughout its history, the U.S. Environmental Protection Agency (EPA) has evaluated technologies to determine their effectiveness in monitoring, preventing, controlling, and cleaning up pollution. Since the early 1990s, however, numerous government and private groups have determined that the lack of an organized and ongoing program to produce independent, credible performance data is a major impediment to the development and use of innovative environmental tech...

By: David L. Richardson

Excerpt: The Natonal Environmental Research Center Cincinnati has Reviewed this report and approven its publication. Approval does nto signfy that the contents nevessarily reflect the views and policies of the U.S. environmental protection Agency, nor does mention of trade names or commercial products vontitute endorsement or recommendation for use.

By: Environmental Protection Agency

Excerpt: Can Be either in the form of an alert or in the form of a storm warning Typically, a storm alert is put out in the afternoon before 3:30 or 4:00 p.m. when the maintenance people og home . This gives the regular day crew a chance to prpare equipment for a night atorm storm and to alert or schedule crews for a night storm duty.

By: Environmental Protection Agency

By: Environmental Protection Agency

Excerpt: To determine the number of revolutions per minute (RPM) for the shaft use a stopeatch or a wathch a second hand count the number of RPM's of the auger or flite-chain sprocket shaft at each cnitrol setting .

By: Harlal Choudhury

Excerpt: This document and summary information on IRIS have received peer review both by EPA scientists and by independent scientists external to EPA. Subsequent to external review and incorporation of comments, this assessment has undergone an Agencywide review process whereby the IRIS Program Manager has achieved a consensus approval among the Office of Research and Development; Office of Air and Radiation; Office of Prevention, Pesticides, and Toxic Substances; Office...

By: Robert M. Bruce, Ph. D.

Excerpt: This document and summary information on IRIS have received peer review both by EPA scientists and by independent scientists external to EPA. Subsequent to external review and incorporation of comments, this assessment has undergone an Agencywide review process whereby the IRIS Program Manager has achieved a consensus approval among the Office of Research and Development; Office of Air and Radiation; Office of Prevention, Pesticides, and Toxic Substances; Office...

By: William H. Alsup

Excerpt: The United States Environmental Protection Agency (“EPA”) required California to identify the Garcia River as a water body with insufficient pollution controls and, as required for waters so identified, to set so-called “total maximum daily loads” (“TMDLs”) — the significance of which we explain later — for pollution entering the river. Appellants challenge the EPA’s authority under the Clean Water Act (“CWA” or the “Act”) § 303(d), 33 U.S.C. § 1313(d), to apply...

By: Penelope Fenner Crisp, Ph. D.

Excerpt: In October 1999 the Chloroform Risk Assessment Review Subcommittee of the Science Advisory Board met to consider the Office of Science and Technology health assessment of chloroform. Summaries of the major parts of the subcommittee’s advice and our responses follow. The documents reviewed were a final hazard and dose-response characterization document and a draft mode-of-action framework analysis. 1. The subcommittee agreed with EPA that sustained or repeated cy...

By: Peter C. Grevatt, Ph. D.

Excerpt: This document and summary information on IRIS have received peer review both by EPA scientists and by independent scientists external to EPA. Subsequent to external review and incorporation of comments, this assessment has undergone an Agencywide review process whereby the IRIS Program Manager has achieved a consensus approval among the Office of Research and Development; Office of Air and Radiation; Office of Prevention, Pesticides, and Toxic Substances; Office...

By: Robert Benson

Excerpt: The purpose of this Toxicological Review is to provide scientific support and rationale for the hazard and dose-response assessment in IRIS pertaining to chronic exposure to 1,1- dichloroethylene. It is not intended to be a comprehensive treatise on the chemical or toxicological nature of 1,1-dichloroethylene. In Section 6, EPA has characterized its overall confidence in the quantitative and qualitative aspects of hazard and dose response. Matters considered in ...

By: Judy Strickland, Ph. D.

Excerpt: This document and summary information on IRIS have received peer review both by EPA scientists and by independent scientists external to EPA. Subsequent to external review and incorporation of comments, this assessment has undergone an Agencywide review process whereby the IRIS Program Manager has achieved a consensus approval among the Office of Research and Development; Office of Air and Radiation; Office of Prevention, Pesticides, and Toxic Substances; Office...

By: Judy Strickland, Ph. D.

Excerpt: This document and summary information on IRIS have received peer review both by EPA scientists and by independent scientists external to EPA. Subsequent to external review and incorporation of comments, this assessment has undergone an Agency-wide review process whereby the IRIS Program Director has achieved a consensus approval among the Office of Research and Development; Office of Air and Radiation; Office of Prevention, Pesticides, and Toxic Substances; Offi...

By: Susan Rieth

Excerpt: The purpose of this Toxicological Review is to provide scientific support and rationale for the hazard and dose-response assessment in IRIS pertaining to chronic exposure to methyl ethyl ketone. It is not intended to be a comprehensive treatise on the chemical or toxicological nature of methyl ethyl ketone.

By: Monica A. Barron

Excerpt: FOREWORD: The purpose of this Toxicological Review is to provide scientific support and rationale for the hazard identification and dose-response assessment in IRIS pertaining to chronic exposure to phenol. It is not intended to be a comprehensive treatise on the chemical or toxicological nature of phenol.

By: Environmental Protection Agency

Excerpt: Morro Bay, California, was accepted into the NEP in 1995, and recently a public draft of the CCMP for Morro Bay was completed. The Morro Bay watershed was also chosen as a site for a long term National Monitoring Project in 1992. As part of the NMP, California Polytechnic State University partnered with the Central Coast Regional Water Quality Control Board (CCRWQCB) to design a paired watershedstudy to evaluate Best Management Practices (BMPs) effect on improvi...

By: Environmental Protection Agency

Excerpt: The States of Tennessee and Arkansas submit this Petition for Downward Reclassification (Petition) of the Memphis Ozone Non-Attainment Area (MONAA) from its current classification of moderate to a classification of marginal. In addition to outlining control measures currently being implemented and planned as well as innovative public-private partnerships in hrtherance of the goal of attainment by 2007, this Petition sets forth a commitment to develop and impleme...

By: Environmental Protection Agency

Excerpt: Lobster fishermen and dealers began reporting significant numbers of dead and dying lobsters in their lobster pot gear in the western half of Long Island Sound in mid-September of 1999. Affected lobsters appeared normal, but were limp or dead. The Connecticut Department of Environmental Protection (CTDEP) Long Island Sound trawl survey recorded a drop off of lobster catch in September and a more noticeable decline in abundance and an increase in sick lobsters in...

By: Environmental Protection Agency

Excerpt: This summary report highlights the U.S. Environmental Protection Agency’s (EPA) most recent evaluation of status and trends in our nation’s air quality. Highlights -- Since 1970, aggregate emissions of six principal pollutants tracked nationally have been cut 29 percent. During that same time period, U.S. Gross Domestic Product increased 158 percent, energy consumption increased 45 percent, and vehicle miles traveled have increased 143 percent. -- National air q...